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//0x20 bytes (sizeof)
struct _RTL_CSPARSE_BITMAP
{
    ULONG CommitDirectory;                                                  //0x0
    ULONG* CommitBitmap;                                                    //0x4
    ULONG* UserBitmap;                                                      //0x8
    LONG BitCount;                                                          //0xc
    ULONG BitmapLock;                                                       //0x10
    ULONG DecommitPageIndex;                                                //0x14
    ULONG RtlpCSparseBitmapWakeLock;                                        //0x18
    UCHAR LockType;                                                         //0x1c
    UCHAR AddressSpace;                                                     //0x1d
    UCHAR MemType;                                                          //0x1e
    UCHAR AllocAlignment;                                                   //0x1f
};